LOWER GWYNEDD — Wissahickon senior Emily Gallagher scored eight goals in three victories for the Trojans’ field hockey team. Gallagher’s big week began with three goals and an assist in a 5-0 victory over Pennsbury on Monday afternoon. Gallagher followed that performance with two more goals in a 7-1 win over Cheltenham on Tuesday. On Thursday, she had her most impressive performance of the week, scoring all three goals in the Trojans 3-0 victory over Upper Merion.